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Finding the Fourth Proportional to 365,755.20, 548,451.36 and 116,404.80

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Solution

The fourth proportional to 365,755.20, 548,451.36 and 116,404.80 is: 174,549.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,755.20 : 548,451.36 = 116,404.80 : x
  2. Step 2: Convert to fraction form
    365,755.20/548,451.36 = 116,404.80/x
  3. Step 3: Cross multiply
    365,755.20x = 548,451.36 × 116,404.80
  4. Step 4: Simplify right side
    365,755.20x = 63,842,370,870.53
  5. Step 5: Solve for x
    x = 63,842,370,870.53/365,755.20
  6. Step 6: Final answer
    x = 174,549.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.